question about the using of the loop function
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Amr Sadek
el 7 de Jun. de 2014
Comentada: Star Strider
el 7 de Jun. de 2014
Hello, How can I use the final results obtained from the first iteration of a loop function in the second iteration of the same loop? For example, let T=[100:200], and A(T0) and k are constant known values. for T=T1, I want to calculate the following: I(T1)=A(T0).* exp(T1)
A(T1)=I(T1).* k
However, for T=T2, I want to calculate:
I(T2)= A(T1).* exp(T2)
A(T2)=I(T2).*k
and,
fot T=T3,
I(T3)= A(T2).* exp(T3)....and so on.
A(T3)=I(T3) Thanks
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Respuesta aceptada
Star Strider
el 7 de Jun. de 2014
With T that large, you quickly end up with an array of Inf values.
This loop will do what you want:
A0 = 3;
k = 5;
I(1) = A0 * exp(100);
A(1) = I(1)*k;
for T = 2:100
I(T)= A(T-1).* exp(T+99);
A(T) = I(T)*k;
end
I started the loop counter at 1 rather than 100 because otherwise your arrays are padded with 99 zeros. That takes up memory.
2 comentarios
Star Strider
el 7 de Jun. de 2014
My pleasure!
(The sincerest form of appreciation here on MATLAB Answers is to Accept the Answer that most closely solves your problem.)
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